Expedition 71

Last updated
Expedition 71
Iss070e106382.jpg
Expedition 71 Press Conference (NHQ202403200036).jpg
All Expedition 71 crew members except Tracy during Expedition 70 (first picture)
Tracy (left in second picture)
Mission typeLong-duration mission to ISS
Operator NASA / Roscosmos
Mission duration22 days, 10 hours and 56 minutes (in progress)
Expedition
Space stationInternational Space Station
Began6 April 2024
Arrived aboard Soyuz MS-25
SpaceX Crew-8
Crew
Crew size7–11
Members
EVAs 1
EVA duration4 hours 36 minutes
ISS Expedition 71 Patch.png
Expedition 71 mission patch
The official Expedition 71 crew portrait.jpg
Expedition 71 crew portrait 

Expedition 71 is the 71st long-duration expedition to the International Space Station. The expedition began with the departure of Soyuz MS-24 on 6 April 2024 [1] with cosmonaut Oleg Kononenko continuing his ISS command from Expedition 70. [2] [3] It will end with his departure on Soyuz MS-25 with crewmates from MS-24 and MS-25 on 24 September 2024. [4] [5]

Contents

Background, crew and events

Initially, the expedition consisted of Oleg, his Russian Soyuz MS-24 crewmate Nikolai Chub (both on a year long ISS mission since 15 September 2023), and his American Soyuz MS-25 crewmate, Tracy Caldwell-Dyson, who launched on 23 March 2024, as well as SpaceX Crew-8 crewmates, American astronauts Matthew Dominick, Michael Barratt, and Jeanette Epps, and Russian cosmonaut Alexander Grebenkin, who launched on 4 March 2024 and were transferred from Expedition 70 after Soyuz MS-24 departure. [5] [3] [6]

Later, the crew will be replenished by subsequent missions in both expedition and visiting crews in the expedition. [4] Boeing Starliner Crewed Flight Test (consisting of NASA astronauts, Barry Wilmore and Sunita Williams) is supposed to dock during the expedition. [7] [8]

Events manifest

Previous mission: Expedition 70

6 April 2024 – Soyuz MS-24 Undocking (includes Visiting Expedition 21), official switch from Expedition 70

25 April 2024 – EVA-1 (VKD-62) Kononenko/Chub: 4 hrs, 36 min

28 April 2024 –CRS SpX-30 Undocking

Planned Events:

2 May 2024 – SpaceX Crew-8 Redocking

May 2024 – EVA-2 (US-90)

8 May 2024 – Starliner CFT Docking [8]

14 May 2024 – Starliner CFT Undocking [8]

May 2024 – EVA-3 (US-91)

May-June 2024 – EVA-4 (VKD-63)

May-June 2024 – EVA-5 (VKD-64)

1 June 2024 – Progress MS-25/86P Undocking

5 June 2024 – Progress MS-27/88P Docking

June 2024 – COTS SNC Demo-1 Capture & Berthing

June-August 2024 – EVA-6 (US-92)

July 2024 – CRS Cygnus NG-20 Unberthing & Release

13 August 2024 – Progress MS-26/87P Undocking

17 August 2024 – Progress MS-28/89P Docking

August 2024 – SpaceX Crew-9 Docking

August 2024 – CRS Cygnus NG-21 Capture & Berthing

August 2024 – SpaceX Crew-8 Undocking

August-September 2024 – COTS SNC Demo-1 Unberthing & Release

11 September 2024 – Soyuz MS-26 Docking

24 September 2024 – Soyuz MS-25 Undocking, official switch to Expedition 72

Next: Expedition 72

Sources: [9] [4] [10] [3] [5]

Crew

Expedition Crew

Flight [4] AstronautIncrement 71aIncrement 71bIncrement 71cIncrement 71d
6 Apr - Aug 2024
(current)
Aug - Aug 2024
(planned)
Aug - 11 Sep 2024
(planned)
11 - 24 Sep 2024
(planned)
Soyuz MS-25 Flag of Russia.svg Oleg Kononenko, Roscosmos
Fifth spaceflight
Commander [1]
Flag of Russia.svg Nikolai Chub, Roscosmos
First spaceflight
Flight Engineer
Flag of the United States.svg Tracy Caldwell-Dyson, NASA
Third spaceflight
Flight Engineer
SpaceX Crew-8 Flag of the United States.svg Matthew Dominick, NASA
First spaceflight
Flight EngineerOff Station
Flag of the United States.svg Michael Barratt, NASA
Third spaceflight
Flight EngineerOff Station
Flag of the United States.svg Jeanette Epps, NASA
First spaceflight
Flight EngineerOff Station
Flag of Russia.svg Alexander Grebenkin, Roscosmos
First spaceflight
Flight EngineerOff Station
SpaceX Crew-9
(planned)
Flag of the United States.svg Zena Cardman, NASA
First spaceflight
Off StationFlight Engineer
Flag of the United States.svg Nick Hague, NASA
Third [lower-alpha 1] spaceflight
Off StationFlight Engineer
Flag of the United States.svg Stephanie Wilson, NASA
Fourth spaceflight
Off StationFlight Engineer
Flag of Russia.svg Aleksandr Gorbunov, Roscosmos
First spaceflight
Off StationFlight Engineer
Soyuz MS-26
(planned)
Flag of Russia.svg Aleksey Ovchinin, Roscosmos
Fourth [lower-alpha 1] spaceflight
Off StationFlight Engineer
Flag of Russia.svg Ivan Vagner, Roscosmos
Second spaceflight
Off StationFlight Engineer
Flag of the United States.svg Donald Pettit, NASA
Fourth spaceflight
Off StationFlight Engineer

Innovative Crewed spaceflights

MissionAstronautsDocking (UTC)Undocking (UTC)Duration
Boeing Crewed Flight Test Flag of the United States.svg Barry Wilmore, NASA
Flag of the United States.svg Sunita Williams, NASA
8 May 2024 [8] (hard docking) (planned)14 May 2024 [8] (planned)6 days (planned)
Besides the expedition crew, Boeing CST-100 Starliner will visit the station for a crewed flight test, consisting of NASA astronauts Barry Wilmore and Sunita Williams. [8] Boeing spacecraft 3, later named Calypso, named after Jacques-Yves Cousteau's oceanography vessel, RV Calypso, [12] will launch to the station on 7 May 2024 and will dock to the station on 8 April 2024. The flight will mark the first crewed test flight of Boeing's CST-100 Starliner spacecraft. Crew members will stay aboard the station for approximately 6 days. [8]

Vehicle manifest

Vehicle [4] PurposePortDocking/Capture DateUndocking Date
(if during Expedition 71)
Vehicles inherited from Expedition 70
Flag of Russia.svg Progress MS-25/86PRussian Cargo Poisk Zenith3 Dec 20232024 (scheduled)
Flag of the United States.svg CRS Cygnus NG-20 "Patricia "Patty" Hilliard Robertson"US Cargo Unity Nadir1 Feb 2024Jul 2024 (scheduled)
Flag of Russia.svg Progress MS-26/87PRussian Cargo Zvezda aft17 Feb 20242024 (scheduled)
Flag of the United States.svg SpaceX Crew-8 "Endeavour"Exp. 70/71 USOS Crew Harmony Forward5 Mar 20242 May 2024 (scheduled)
Flag of the United States.svg CRS Dragon SpX-30US Cargo Harmony Zenith23 Mar 202428 Apr 2024
Flag of Russia.svg Soyuz MS-25/71S "Kazbek"Exp. 70/71 Crew, Visiting Expedition Prichal nadir25 Mar 202424 Sep 2024 (scheduled)
Vehicles scheduled to dock during Expedition 71
Flag of the United States.svg SpaceX Crew-8 "Endeavour"Exp. 70/71 USOS Crew Harmony Zenith2 May 2024 (Redock) (scheduled)Aug 2024 (scheduled)
Flag of the United States.svg Starliner CFT "Calypso"Non-Expedition US CCDev Mission Harmony Forward8 May 2024 (scheduled)14 May 2024 (scheduled)
Segment Flag of the United States.svg US Orbital Segment Flag of Russia.svg Russian Segment
PeriodHarmony ForwardHarmony ZenithHarmony NadirUnity NadirRassvet NadirPrichal NadirPoisk ZenithZvezda Aft
6-28 Apr 2024SpaceX Crew-8CRS SpX-30VacantCygnus NG-20VacantSoyuz MS-25/71SProgress MS-25/86PProgress MS-26/87P
28 Apr-2 May 2024Vacant
2-8 May 2024VacantSpaceX Crew-8
8-14 May 2024Starliner CFT
14 May 2024-Vacant

The Prichal aft, forward, starboard, and aft ports all have yet to be used since the module originally docked to the station and are not included in the table.

Notes

  1. 1 2 Counting the aborted flight of Soyuz MS-10, even though this did not quite cross the Kármán line. This matches NASA's count, though RSA follows the Kármán line definition. [11]

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